Cast
- Ferb as Nemo
- Phineas as Marlin
- Candace as Dory
- Major Francis Monogram as Gill
- Buford as Bloat
- Linda as Peach
- Carl as Bubbles
- Baljeet as Gurgle
- Stacy as Deb
- Jeremy as Jacques
- Lawrence as Nigel
- Clyde Donovan (from South Park) as Crush
- Yoshi (from Mario) as Squirt
- Stan Marsh (from South Park) as Mr. Ray
- Perry the Platypus as Sheldon
- Irving as Tad
- Adyson as Pearl
- Isabella as Coral
- Dr. Doofenshmirtz as Dentist
- Suzy Johnson as Darla
- Rude Ralph (from Horrid Henry) as Bruce
- Ashley William (from Evil Dead) as Anchor
- Jigsaw (from SAW) as Chum
- Timon and Pumbaa (from The Lion King) as The Whale